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Power Systems

Power Systems
The value of diversity factor is

 1
 greater than 1
 0
 less than 1

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Power Systems
In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is

 250 Ω
 1000 Ω
 25 Ω
 500 Ω

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Power Systems
Zero voltage regulation is possible only for

 lagging power factor
 leading power factor
All of these
 unity power factor

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Power Systems
A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV?

 0.025
 0.25
 0.02
 0.05

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Power Systems
In a 400 KV network, 360 KV is recorded at a 400 KV bus. The reactive power absorbed by shunt rated for 50 MVAr, 400 KV connected at the bus is

 61.73 MVAr.
 45 MVAr.
 55.56 MVAr.
  40.5 MVAr.

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Power Systems
When bundle conductor are used in place of single conductor the effective inductance and capacitance will respectively

 increase and remain unaffected.
 increase and decrease.
  decrease and increase.
 decrease and remain unaffected.

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